Debian: DSA-4347-1: perl security update

    Date29 Nov 2018
    CategoryDebian
    6826
    Posted ByAnthony Pell
    Multiple vulnerabilities were discovered in the implementation of the Perl programming language. The Common Vulnerabilities and Exposures project identifies the following problems:
    
    - -------------------------------------------------------------------------
    Debian Security Advisory DSA-4347-1                   This email address is being protected from spambots. You need JavaScript enabled to view it.
    https://www.debian.org/security/                     Salvatore Bonaccorso
    November 29, 2018                     https://www.debian.org/security/faq
    - -------------------------------------------------------------------------
    
    Package        : perl
    CVE ID         : CVE-2018-18311 CVE-2018-18312 CVE-2018-18313 CVE-2018-18314
    
    Multiple vulnerabilities were discovered in the implementation of the
    Perl programming language. The Common Vulnerabilities and Exposures
    project identifies the following problems:
    
    CVE-2018-18311
    
        Jayakrishna Menon and Christophe Hauser discovered an integer
        overflow vulnerability in Perl_my_setenv leading to a heap-based
        buffer overflow with attacker-controlled input.
    
    CVE-2018-18312
    
        Eiichi Tsukata discovered that a crafted regular expression could
        cause a heap-based buffer overflow write during compilation,
        potentially allowing arbitrary code execution.
    
    CVE-2018-18313
    
        Eiichi Tsukata discovered that a crafted regular expression could
        cause a heap-based buffer overflow read during compilation which
        leads to information leak.
    
    CVE-2018-18314
    
        Jakub Wilk discovered that a specially crafted regular expression
        could lead to a heap-based buffer overflow.
    
    For the stable distribution (stretch), these problems have been fixed in
    version 5.24.1-3+deb9u5.
    
    We recommend that you upgrade your perl packages.
    
    For the detailed security status of perl please refer to its security
    tracker page at:
    https://security-tracker.debian.org/tracker/perl
    
    Further information about Debian Security Advisories, how to apply
    these updates to your system and frequently asked questions can be
    found at: https://www.debian.org/security/
    
    Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.
    
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